RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 1 filers reported holding RUBICON TECHNOLOGY INC in Q2 2017. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $48,000 | +336.4% | 57,764 | +212.5% | 0.00% | – |
| Q4 2016 | $11,000 | -97.2% | 18,484 | -78.3% | 0.00% | – |
| Q4 2014 | $390,000 | +2194.1% | 85,328 | +2073.4% | 0.00% | – |
| Q3 2014 | $17,000 | -60.5% | 3,926 | -9.1% | 0.00% | – |
| Q4 2013 | $43,000 | +38.7% | 4,317 | +68.4% | 0.00% | – |
| Q3 2013 | $31,000 | -41.5% | 2,564 | -61.0% | 0.00% | – |
| Q2 2013 | $53,000 | – | 6,570 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AEGIS FINANCIAL CORP | 879,200 | $2,136,000 | 1.16% |
| RIVER GLOBAL INVESTORS LLP | 251,900 | $607,000 | 0.77% |
| Ecofin Advisors Ltd | 1,396,334 | $3,393,000 | 0.55% |
| Pacific Ridge Capital Partners, LLC | 325,750 | $792,000 | 0.33% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $202,000 | 0.16% |
| Ariel Investments | 4,979,260 | $12,100,000 | 0.14% |
| Lapides Asset Management, LLC | 280,000 | $680,000 | 0.11% |
| COLUMBIA WANGER ASSET MANAGEMENT LLC | 3,170,799 | $7,705,000 | 0.05% |
| SMITH ASSET MANAGEMENT GROUP LP | 340,000 | $826,000 | 0.03% |
| Ancora Advisors LLC | 91,500 | $222,000 | 0.03% |